The octopus is one of the coolest animals in the sea. For starters, they are invertebrates. That means they don’t have backbones like humans, lions, turtles, and birds. That may sound unusual, but ...

Cephalopods, like humans, have camera-like eyes that focus light with a lens. The two-spot octopus gets its name from the ocelli, or iridescent blue spots, which are false eyes to startle predators ...

CC0 Usage Conditions ApplyClick for more information. Did you know octopuses are highly intelligent animals with the ability to problem-solve complex puzzles – and even change color? They have three ...

Amongst millions of sea creatures, octopuses are some of the most extraordinary marine species across the world. From their fluid body movements to their ability to open jars and worm their way ...

Blanket octopus pairs are some of the undersea world’s oddest couples. What’s so startling is the size difference: Males are about the size of a walnut—less than an inch long—but some females can ...

Octopuses are some of the most amazing creatures of the ocean. They are smart, flexible, and can change colour to hide from their predators. While many octopuses are small, some species can grow to ...

Octopuses are extraordinary creatures, and their blue blood is just one of the many unusual aspects of their biology. Did you know that an octopus has blue blood [Jsim] The ocean covers more than 70% ...

Source: Princeton University Press/ Used with permission. Octopuses and other cephalopods are amazing, strange, sentient beings. They have very active social lives and brains—some say octopuses have ...

Did you know octopuses are highly intelligent animals with the ability to problem-solve complex puzzles – and even change color? They have three hearts and blue blood, helping them survive in deep ...